P3 Science · Chapter 10brightbit.net/worksheets
Animal Systems — Movement and Support
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
What is the main function of the skeleton in animals?
(a) Support, protection and movement(b) Digestion of food(c) Transporting oxygen(d) Making food
- 2.
Muscles can only PULL, not push. How do they move bones in two directions?
(a) They work in pairs — one contracts while the other relaxes(b) One muscle can both push and pull(c) Bones move on their own(d) Tendons do the pushing
- 3.
What is the function of a joint?
(a) To allow movement between bones(b) To produce blood cells(c) To store calcium(d) To connect muscles to bones
- 4.
An exoskeleton is found on the outside of an animal's body. Which animal has an exoskeleton?
(a) Crab(b) Dog(c) Frog(d) Pigeon
- 5.
Fish have a streamlined body shape. How does this help them?
(a) It reduces water resistance, allowing them to swim faster(b) It makes them float more easily(c) It helps them breathe(d) It allows them to change colour
- 6.
Birds have hollow bones. Why is this an advantage for flight?
(a) Hollow bones are lighter, making it easier to fly(b) Hollow bones are stronger(c) Hollow bones store more oxygen(d) Hollow bones produce more feathers
- 7.
Tendons connect:
(a) Muscles to bones(b) Bone to bone(c) Joints to skin(d) Nerves to muscles
- 8.
Ligaments connect:
(a) Bone to bone at a joint(b) Muscle to bone(c) Skin to muscle(d) Nerves to bones
- 9.
A snake has no legs but can still move. How does it move?
(a) Using muscles and scales against the ground in a wave-like motion(b) By rolling its body into a ball(c) By using its tail like a paddle(d) By jumping
- 10.
Name the type of skeleton found inside the body of humans and other vertebrates.
Answer: ____________________________________
Answer key — P3 Science: Animal Systems — Movement and Support
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(a) Support, protection and movement
- 2.(a) They work in pairs — one contracts while the other relaxes
- 3.(a) To allow movement between bones
- 4.(a) Crab
- 5.(a) It reduces water resistance, allowing them to swim faster
- 6.(a) Hollow bones are lighter, making it easier to fly
- 7.(a) Muscles to bones
- 8.(a) Bone to bone at a joint
- 9.(a) Using muscles and scales against the ground in a wave-like motion
- 10.Endoskeleton
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